LAWYER PROFILE
Aaron Le Marquer

Aaron Le Marquer

Global 2026

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Ranked in 1 practice area

About

Provided by Stewarts

Global

Practice Areas

With over twenty years’ experience in insurance law, Aaron acts for clients in relation to coverage of insured losses in diverse sectors including financial services, hospitality and retail, energy and construction, sports and entertainment. He is experienced in all commercial lines of business, including business interruption, directors and officers, professional liability, cyber, environmental risks, property and casualty. Aaron spent eight years practising in the Asia Pacific region and is particularly experienced at resolving international and cross-border claims, often via arbitration.

Aaron’s cases were selected by The Lawyer as the only insurance cases to feature in the publication’s annual Top 20 Cases list in both 2022 and 2023, and as a Top 10 Appeal in 2024. In June 2023 he was named by The Times as Lawyer of the Week in recognition of the successful verdict in London International Exhibition Centre v RSA & Ors [2023] EWHC 1481 (Comm).

Career

Aaron trained and practised with City and US firms in London before relocating to Asia in 2011, where he spent two years in-house as regional head of litigation for a global insurer in Singapore. He then returned to private practice to lead a dedicated insurance practice at Southeast Asia’s leading law firm, with offices in seven countries across the region.

After returning to London in 2019, Aaron led the products and environmental risks practice at a leading insurance boutique, before joining Stewarts to launch the firm’s Policyholder Disputes practice in 2022.

Professional Memberships

British Insurance Law Association

London Business Interruption Association

Law Society LGBTQ+ Solicitors Network

American Bar Association

Publications

Aaron has been widely published and interviewed on topical policyholder issues, most recently in relation to Covid-19 business interruption coverage. As well as featuring regularly in the insurance industry press, he has appeared in publications as diverse as the Financial Times, the Hollywood Reporter, the Sun, the Telegraph and the Times.

Personal

Having originally studied music at university, Aaron enjoys playing the piano when given an occasional break by his nine-year-old twins.

Chambers Review

Provided by Chambers

Chambers Global Guide

Insurance: Mainly Policyholders - UK

Band 2
Band 2

Individual Editorial

Aaron Le Marquer is the head of policyholder disputes at Stewarts and is noted for his ability to represent a broad range of clients in contentious coverage matters. He is highly regarded for his expertise across commercial lines, particularly in disputes centred on business interruption claims.

Strengths

Provided by Chambers

  • Aaron is always insightful and up to date, with an enviable workload of high-profile and significant cases.

    Insurance: Mainly PolicyholdersChambers Global Guide
  • Aaron is excellent. He articulates points very well and is considered and measured in response to queries.

    Insurance: Mainly PolicyholdersChambers Global Guide
  • Among a very distinguished team, Aaron Le Marquer particularly stands out as a brilliant strategist with encyclopedic knowledge of insurance law. He is a true expert in the field.

    Insurance: Mainly PolicyholdersChambers Global Guide
  • Aaron is very commercially aware and understands the policyholder's needs.

    Insurance: Mainly PolicyholdersChambers Global Guide
  • Aaron is clearly knowledgeable in this area and always very willing to assist.

    Insurance: Mainly PolicyholdersChambers Global Guide

Ranked Individuals at Stewarts (16)

Africa-wide

India

Latin America - International Counsel

UK

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